CVE-2023-0494
Description
A vulnerability was found in X.Org. This issue occurs due to a dangling pointer in DeepCopyPointerClasses that can be exploited by ProcXkbSetDeviceInfo() and ProcXkbGetDeviceInfo() to read and write into freed memory. This can lead to local privilege elevation on systems where the X server runs privileged and remote code execution for ssh X forwarding sessions.
No summary for this CVE yet.
CVSS Vector Breakdown
Exploitability
AV:LAttack VectorLocal
AC:LAttack ComplexityLow
PR:LPrivileges RequiredLow
UI:NUser InteractionNone
Scope
S:UScopeUnchanged
Impact
C:HConfidentialityHigh
I:HIntegrityHigh
A:HAvailabilityHigh
Weaknesses
Affected Products
redhat
commercial·USaka red hat
ООО «РусБИТех-Астра»
commercial·RUaka rusbitech-astra
ООО «Ред Софт»
commercial·RUaka red soft
АО «ИВК»
commercial·RUaka ivk
АО «НППКТ»
commercial·RU
X.Org Foundation
oss-project·USaka xorg-server, xlib, libx11
and 11 more affected products View all →
Exploitability
Official Patch Available
Attack Graph
Products CVE Techniques Tactics
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MITRE ATT&CK
2 techniques Initial Access
Privilege Escalation
References
https://bugzilla.redhat.com/show_bug.cgi?id=2165995
bugzilla.redhat.com
https://lists.x.org/archives/xorg-announce/2023-February/003320.html
lists.x.org
https://gitlab.freedesktop.org/xorg/xserver/-/commit/0ba6d8c37071131a49790243cdac55392ecf71ec
gitlab.freedesktop.org
and 20 more references View all →
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